| Acronym | Meaning |
 | ISCAT | Investigation Of Sulfur Chemistry In Antarctic Troposphere |
| RPG | Radar Products Generator |
| ARAC | Atmospheric Release Advisory Capability |
| INTEX | NASA's Intercontinental Chemical Transport Experiment |
| AAS | Atomic Absorption Spectroscopy |
| AQCR | Air Quality Control Regulation |
| ITO | Independent Test Organization |
| PCRGA | Precipitation Chemistry |
| LSFC | Langley Space Flight Center |
| GLOBEC | Global Ocean Ecosystems Dynamics |
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